Mixed finite elements for Bingham flow in a pipe

Tom Gustafsson*, Philip L. Lederer

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

1 Citation (Scopus)
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We consider mixed finite element approximations of viscous, plastic Bingham flow in a cylindrical pipe. A novel a priori and a posteriori error analysis is introduced which is based on a discrete mesh dependent norm for the normalized Lagrange multiplier. This allows proving stability for various conforming finite elements. Numerical examples are presented to support the theory and to demonstrate adaptive mesh refinement.

Original languageEnglish
Pages (from-to)819-840
Number of pages22
JournalNumerische Mathematik
Issue number4
Publication statusPublished - Dec 2022
Externally publishedYes


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